In February 2013, Jessica published her first autobiography, JEDAR: Jessica Is Jessica. In December 2014, Jessica published her second autobiography, Jedar Power: Love, Life, Lord which recounted her experiences while she was expecting her first child, El Barack Alexander.
On December 11, 2013, Jessica married Ludwig Franz Willibald Maria Joseph Leonard Erbgraf von Waldburg Wolfegg Waldsee at Gereja Yesus Sejati, a Protestant Church in Jakarta. Ludwig was a German citizen who was 2 years younger than Jessica and the eldest son of Hereditary prince Johannes Franz Xaver Willibald Maria Joseph Philipp Jeningen Leonnard Fürst von Waldburg Wolfegg Waldsee, Châtelain of the Castle of Wolfegg and Head of the House of Waldburg. The wedding was attended by several of her relatives.